| Family | ONAGRACEAE |
| Genus species | Oenothera deltoides Torr. & Frém. sect. Anogra |
| Bibliography | Rep. Exped. Rocky Mts. [J.C.Frémont]: 313 (1845) |
| Native Range | w. USA to nw. Mexico |
| Primary Biome | Desert or Dry Shrubland |
| Habitat | dry, sandy grassland |
| Altitude | 100-1200m |
| Description | basal leaves in lax rosette, obovate to lanceolate, 2-8cm long, stem leaves smaller, flowers to 4cm across, opening in the evening, fading pink |
| Size | 20-30cm |
| Color | white |
| Bloom | summer, autumn |
| Ca | |
| Type | perennial |
| Cultivation | dry, sunny site with a poor, sandy soil alpine house, dry, sandy soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 18-21°C division in fall; cuttings in late summer |
| Synonyms | Anogra deltoidea (Torr. & Frém.) Small Oenothera deltoides var. cinerascens (Jeps.) Munz Oenothera deltoides f. floccosa Munz Oenothera deltoides f. glabrata Munz Oenothera deltoides var. typica Munz Oenothera kleinii W.L.Wagner & S.W.Mill Oenothera trichocalyx var. cinerascens Jeps. |
| Territory | 7 Northern America 73 Northwestern U.S.A. (ORE Oregon) 76 Southwestern U.S.A. (ARI Arizona, CAL California, NEV Nevada, UTA Utah) 79 Mexico (MXN Mexico Northwest) |